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Finding the Fourth Proportional to 264,218.46, 364,620.96 and 143,359.71

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Solution

The fourth proportional to 264,218.46, 364,620.96 and 143,359.71 is: 197,836.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,218.46 : 364,620.96 = 143,359.71 : x
  2. Step 2: Convert to fraction form
    264,218.46/364,620.96 = 143,359.71/x
  3. Step 3: Cross multiply
    264,218.46x = 364,620.96 × 143,359.71
  4. Step 4: Simplify right side
    264,218.46x = 52,271,955,085.52
  5. Step 5: Solve for x
    x = 52,271,955,085.52/264,218.46
  6. Step 6: Final answer
    x = 197,836.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.